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go/internal/lsp/mod/format.go
Ian Cottrell 206ec5b82a internal/lsp: migrate telemetry to using the event package
Change-Id: Idc662385ed08bd62593ccd1d54afd3fa8c1a7d29
Reviewed-on: https://go-review.googlesource.com/c/tools/+/222558
Run-TryBot: Ian Cottrell <iancottrell@google.com>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: Robert Findley <rfindley@google.com>
2020-03-12 03:59:16 +00:00

27 lines
712 B
Go

package mod
import (
"context"
"golang.org/x/tools/internal/lsp/protocol"
"golang.org/x/tools/internal/lsp/source"
"golang.org/x/tools/internal/telemetry/event"
)
func Format(ctx context.Context, snapshot source.Snapshot, fh source.FileHandle) ([]protocol.TextEdit, error) {
ctx, done := event.StartSpan(ctx, "mod.Format")
defer done()
file, m, err := snapshot.ModHandle(ctx, fh).Parse(ctx)
if err != nil {
return nil, err
}
formatted, err := file.Format()
if err != nil {
return nil, err
}
// Calculate the edits to be made due to the change.
diff := snapshot.View().Options().ComputeEdits(fh.Identity().URI, string(m.Content), string(formatted))
return source.ToProtocolEdits(m, diff)
}